Candlelight vigil held for slain Fla. students Nicholas Presha and Jeremy Stewart

(CBS/WKMG/AP) ORLANDO, Fla. - Hundreds gathered Thursday evening to grieve for Florida teens Jeremy Stewart and Nicholas Presha, whose bodies were found burning along a popular bike trail in an Orlando suburb.

Pictures: Bodies found burning ID'd as Fla. H.S. students

According to the Orlando Sentinel, nearly 300 people attended the candlelight vigil organized by the victims' friend Tyler Winters.

The father of Jeremy Stewart, who attended the vigil, demanded justice, reports CBS affiliate WKMG.

"I want whoever did this to pay the price. I would love to take the law into my own hands but unfortunately I can't," James Stewart reportedly said.

Stewart said not knowing what happened to his son and how he was murdered haunts him.

"I have so many different emotions. I'm angry and I'm nauseous. I think which area is where Jeremy died and which area is where Nick died?" Stewart said, according to WKMG.

The bodies of the 18-year-old Stewart and 16-year-old Presha were found burning off Cady Way Trail near Full Sail University.

At 6:41 a.m. Sunday, someone on the trail in unincorporated Orange County just outside Orlando called 911 to report the macabre scene, at first unsure if it was real.

"I can't tell if there's two mannequins or two people burning," the caller said.

The medical examiner's office used dental records to identify the remains of the teens, both students at Winter Park High School.

Officers haven't identified a motive or any suspects and haven't said how the teens were killed. Some residents near where the bodies were found told local media outlets they heard gunshots, but police haven't confirmed if the teens were shot.

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April 19, 2012 - Nicholas Presha and Jeremy Stewart: Bodies found burning ID'd as Florida high school students